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Financial Instruments Derivatives Not Designated as Hedging, Fair Value Table (Details) (USD $) In Millions, unless otherwise specified | Jun. 30, 2014 | Dec. 31, 2013
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Not Designated as Hedging Instrument [Member] | Other assets [Member] |  |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] |  |  |  |
Asset Derivatives, Gross | $ 79 | [1] | $ 18 | [1]
Asset Derivatives, Netting across contract types | (3) | [1],[2] | (17) | [1],[2]
Asset Derivatives, Total | 76 | [1],[2] | 1 | [1],[2]
Not Designated as Hedging Instrument [Member] | Accrued expenses and other liabilities [Member] |  |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] |  |  |  |
Liability Derivatives, Gross | 1,468 | [3] | 687 | [3]
Liability Derivatives, Netting across contract types | (3) | [2],[3] | (17) | [2],[3]
Derivative contracts at fair value (liability) | 1,465 | [2],[3] | 670 | [2],[3]
Not Designated as Hedging Instrument [Member] | Equity contracts | Other assets [Member] |  |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] |  |  |  |
Asset Derivatives, Gross | 0 | [1] | 0 | [1]
Not Designated as Hedging Instrument [Member] | Equity contracts | Accrued expenses and other liabilities [Member] |  |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] |  |  |  |
Liability Derivatives, Gross | 1,377 | [3] | 654 | [3]
Not Designated as Hedging Instrument [Member] | Foreign exchange contracts | Other assets [Member] |  |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] |  |  |  |
Asset Derivatives, Gross | 0 | [1] | 1 | [1]
Not Designated as Hedging Instrument [Member] | Foreign exchange contracts | Accrued expenses and other liabilities [Member] |  |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] |  |  |  |
Liability Derivatives, Gross | 14 | [3] | 0 | [3]
Not Designated as Hedging Instrument [Member] | Credit contracts | Other assets [Member] |  |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] |  |  |  |
Asset Derivatives, Gross | 2 | [1] | 0 | [1]
Not Designated as Hedging Instrument [Member] | Credit contracts | Accrued expenses and other liabilities [Member] |  |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] |  |  |  |
Liability Derivatives, Gross | 74 | [3] | 0 | [3]
Not Designated as Hedging Instrument [Member] | Commodity contracts | Other assets [Member] |  |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] |  |  |  |
Asset Derivatives, Gross | 77 | [1] | 17 | [1]
Not Designated as Hedging Instrument [Member] | Commodity contracts | Accrued expenses and other liabilities [Member] |  |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] |  |  |  |
Liability Derivatives, Gross | 3 | [3] | 33 | [3]
Investment Funds [Member] | Investment Segment [Member] |  |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] |  |  |  |
Cash collateral posted for derivative positions | $ 1,200 |  | $ 255 |
[1] | Net asset derivatives are located within other assets in our consolidated balance sheets.
[2] | Excludes netting of cash collateral received and posted. The total collateral posted at June 30, 2014 and December 31, 2013 was $1.2 billion and $255 million, respectively, across all counterparties.
[3] | Net liability derivatives are located within accrued expenses and other liabilities in our consolidated balance sheets.

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- Definition The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624258-113959 + Details
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